产品分类
PRODUCT CENTER
销售电话：时经理
18121126516
021-64835787
硫醇类检测管70 Mercaptans R-SH
Mercaptans No.70
R-SH
| Performance |
Measuring Range | 0.5 to 5 ppm | 5 to 120 ppm |
Number of Pump Strokes | 2 to 10 | 1 |
Correction Factor | 1/2 to 1/10 | 1 |
Sampling Time | 2 minutes per pumpstroke | |
Detecting Limit | 0.2 ppm (n=10) | |
Color Change | White → Yellow | |
Reaction Principle | 2R | |
| Coefficient ofVariation | 10% (for 5 to 40ppm), 5% (for 40 to 120 ppm) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Temperature correction is necessary | |
| Store the tubes at cool and darkplace. | ||
SH+ PdSO| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Carbonmonoxide | 2000 ppm | Plus error | Pale brown for wholelayer |
Hydrogensulfide | 500 ppm | Plus error | Nodiscoloration |
Acetylene,Ethylene | 2000 ppm | Plus error | Pale brown for wholelayer |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Eutylmercaptan | 1.0 | 1 or 2 to 10 | 0.5 to 120 ppm |
Isopropylmercaptan | 2.0 | 1 | 10 to 240 ppm |
| Metylmercaptan | 1.0 | 1 or 2 to 10 | 0.5 to 120 ppm |
| Propymercaptan | 4.5 | 1 | 22.5 to 540ppm |
| Calibration gasgeneration | Permeation tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |